docs: def find_saas_endurance_tier_price(package, tier_level):
      """Find the SaaS storage tier level price for the specified tier level
  
      :param package: The Storage As A Service product package
      :param tier_level: The endurance tier for which a price is desired
      :return: Returns the price for the given tier, or an error if not found
      """
      target_capacity = ENDURANCE_TIERS.get(tier_level)
      for item in package['items']:
          if 'itemCategory' not in item\
                  or 'categoryCode' not in item['itemCategory']\
                  or item['itemCategory']['categoryCode']\
                  != 'storage_tier_level':
              continue
  
          if int(item['capacity']) != target_capacity:
              continue
  
          price_id = _find_price_id(item['prices'], 'storage_tier_level')
          if price_id:
              return price_id
  
      raise ValueError("Could not find price for endurance tier level")